层进式阶梯倍投法教程简介：Jun Yao had a good voice and was the lead singer. A shy boy with long hair was the guitarist and was not good at socializing. He greeted Su Can gently and went to the bar counter.
Jun Yao had a good voice and was the lead singer. A shy boy with long hair was the guitarist and was not good at socializing. He greeted Su Can gently and went to the bar counter.
